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    <div id="d1">
        <center><h1>18数媒课程表</h1></center>
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            <a href="0.html" target="my_iframe">全周</a>
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            <a href="1.html" target="my_iframe">周一</a>
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            <a href="2.html" target="my_iframe">周二</a>
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            <a href="3.html" target="my_iframe">周三</a>
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            <a href="4.html" target="my_iframe">周四</a>
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            <a href="5.html" target="my_iframe">周五</a>
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            <a href="6.html" target="my_iframe">周六</a>
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            <a href="7.html" target="my_iframe">周日</a>
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